हार्ट रेट ज़ोन कैलकुलेटर

Maximum heart rate is estimated with the Tanaka formula, 208 - 0.7 × age, which fits adults better than 220 - age.

With a resting heart rate, zones use the Karvonen method, which accounts for your fitness.

Most cardio for health and fat loss belongs in zone 2: you can talk, but not sing.